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Which soundcard ? have very low distortions for fft measurements?

 
 
Gaetan Mailloux
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      09-04-2003, 08:05 PM
Hi

Which soundcard do have very low distortions (even at high frequencies)
for fft distortions measurements ?

Even an old model that I can buy used.

My sinewave generator have only .001% distortion.

Any hints, suggestions are welcome.

Thank

Bye

Gaetan


 
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Harry Conover
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      09-07-2003, 01:45 AM
(E-Mail Removed) (Gaetan Mailloux) wrote in message news:<bj85tf$sc4$(E-Mail Removed)>...
> Hi
>
> Which soundcard do have very low distortions (even at high frequencies)
> for fft distortions measurements ?


I really believe that is pushing the limitations of a soundcard more
than just a little bit. Many soundcards are capable of providing a
very limited fft spectral display, but to attempt using one to measure
distortion is a bit of a stretch of the imagination.

Harry C.
 
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